Patents by Inventor Lewen Chang

Lewen Chang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11566758
    Abstract: The present disclosure discloses a luminaire, including a supporting frame, a power supply device, a left bracket, and a right bracket. The side edge of the left bracket is provided with a plurality of left fixed frames; the side edge of the right bracket is provided with right fixed frames symmetric to the left fixed frames one by one; one LED bar is buckled between the symmetric left fixed frame and right fixed frame in each group; the right fixed frames and the left fixed frames include box type brackets; the front and rear ends of each box type bracket are provided with buckle slots; the left and right ends of each LED bar are each provided with one bar plug; the inner sides of the box type brackets of the right fixed frames are provided with female head copper pins.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: January 31, 2023
    Inventors: Qian Zhou, Lewen Chang, Jizhong Li, Rui Gong
  • Publication number: 20220178505
    Abstract: The present disclosure discloses a luminaire, including a supporting frame, a power supply device, a left bracket, and a right bracket. The side edge of the left bracket is provided with a plurality of left fixed frames; the side edge of the right bracket is provided with right fixed frames symmetric to the left fixed frames one by one; one LED bar is buckled between the symmetric left fixed frame and right fixed frame in each group; the right fixed frames and the left fixed frames include box type brackets; the front and rear ends of each box type bracket are provided with buckle slots; the left and right ends of each LED bar are each provided with one bar plug; the inner sides of the box type brackets of the right fixed frames are provided with female head copper pins.
    Type: Application
    Filed: October 13, 2021
    Publication date: June 9, 2022
    Inventors: Qian Zhou, Lewen Chang, Jizhong Li, Rui Gong